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Finding the Fourth Proportional to 83,990,803.80, 125,986,205.70 and 23,406,529.80

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Solution

The fourth proportional to 83,990,803.80, 125,986,205.70 and 23,406,529.80 is: 35,109,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,990,803.80 : 125,986,205.70 = 23,406,529.80 : x
  2. Step 2: Convert to fraction form
    83,990,803.80/125,986,205.70 = 23,406,529.80/x
  3. Step 3: Cross multiply
    83,990,803.80x = 125,986,205.70 × 23,406,529.80
  4. Step 4: Simplify right side
    83,990,803.80x = 2,948,899,878,105,980
  5. Step 5: Solve for x
    x = 2,948,899,878,105,980/83,990,803.80
  6. Step 6: Final answer
    x = 35,109,794.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.